@stdlib/esm/iter/head.js

ES module distribution for Stdlib, a standard library for JavaScript and Node.js.

// This file is a part of stdlib. License is Apache-2.0: http://www.apache.org/licenses/LICENSE-2.0
import r from"./../utils/define-nonenumerable-read-only-property.js";import e from"./../assert/is-positive-integer.js";import t from"./../assert/is-function.js";import n from"./../assert/is-iterator-like.js";import o from"./../assert/has-own-property.js";import i from"./../symbol/iterator.js";var a=r,u=e.isPrimitive,s=t,m=n,l=o,f=i;function p(r,e){var t,n,o;if(!m(r))throw new TypeError("invalid argument. First argument must be an iterator protocol-compliant object. Value: `"+r+"`.");if(!u(e))throw new TypeError("invalid argument. Second argument must be a positive integer. Value: `"+e+"`.");return o=0,a(t={},"next",(function(){var t,i;if(o+=1,n||o>e)return{done:!0};if((i=r.next()).done)return n=!0,t={},l(i,"value")&&(t.value=i.value),t.done=!0,t;return{value:i.value,done:!1}})),a(t,"return",(function(r){if(n=!0,arguments.length)return{value:r,done:!0};return{done:!0}})),f&&s(r[f])&&a(t,f,(function(){return p(r[f](),e)})),t}var v=p;export default v;
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